Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister Weather Forecast

Cascade Range · United States
Issued: 4 am Wed 28 Oct Local Time
Updates in:
hr min s
Update imminent 

Days 1–3 Weather Summary

Light rain (total 7mm), mostly falling on Wed night. Mild temperatures (max 7°C on Thu afternoon, min 2°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 7mm), mostly falling on Sat night. Very mild (max 12°C on Mon afternoon, min 3°C on Sat night). Wind will be generally light.

Wednesday
28
Thursday
29
Friday
30
Saturday
31
Sunday
1
Monday
2
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
light rain
rain showers
part cloud
rain showers
rain showers
cloud
light rain
rain showers
light rain
light rain
rain showers
part cloud
rain showers
part cloud
part cloud
part cloud
part cloud
rain shwrs
light rain
rain shwrs
some clouds
rain shwrs
rain shwrs
cloudy
light rain
rain shwrs
light rain
light rain
rain shwrs
some clouds
rain shwrs
some clouds
some clouds
some clouds
some clouds
Cloud base (m)
600
650
600
1450
1600
1500
2200
900
800
900
600
600
650
850
600
5350
6500
km/h
5
SSE
5
SE
5
SE
5
SE
5
E
5
E
5
SE
5
SE
5
ESE
5
SE
5
SE
5
SW
5
S
0
SE
5
E
5
SE
5
ESE
5
ESE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
 mm
0.4
1.7
3
—
0.3
0.1
—
0.6
0.7
0.1
1.8
5
—
0.1
—
—
—
—
max °C
5
5
3
6
7
4
6
6
4
4
5
4
5
6
6
10
12
9
min °C
4
5
2
3
6
3
3
4
3
4
4
3
3
6
3
7
10
8
 chill °C
3
4
0
1
6
1
2
3
1
3
4
3
3
6
3
6
10
8
Freezing level m
1250
1250
1100
1350
1450
1550
1550
1200
1250
1150
1200
1100
1200
1250
3100
3350
3350
3400
Sea lvl1000m2000m3000m4000m5000m
-6-6-6-6-6-5-5-6-6-6-6-6-6-42666-2-2-2-2-100-2-2-2-2-3-3-239995535745544544659119
Sunrise
7:47
—
—
7:48
—
—
7:50
—
—
7:52
—
—
6:54
—
—
7:54
—
—
Sunset
—
5:54
—
—
5:52
—
—
5:51
—
—
5:50
—
—
4:47
—
—
5:45
—

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Light rain (total 7mm), mostly falling on Wed night. Mild temperatures (max 7°C on Thu afternoon, min 2°C on Wed night). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Light rain (total 7mm), mostly falling on Sat night. Very mild (max 12°C on Mon afternoon, min 3°C on Sat night). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table.For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
26 km NW
125m alt.
3 hours ago
6°C
Dry
5
Calm
(5 kph at 192).
6
28 km NW
152m alt.
3 hours ago
6°C
Dry
0
Calm
(0 kph at 104).
3
34 km WSW
100m alt.
1 hour ago
8°C
Dry
0
Calm
(0 kph at 293).
3
35 km WNW
19m alt.
1 hour ago
6°C
Dry
2
Calm
(2 kph at 243).
3
SHIP8990
39 km W
3m alt.
2 hours ago
9°C
21
Moderate winds from the S
(21 kph at 170).
SHIP9814
39 km W
15m alt.
3 hours ago
18
Light winds from the S
(19 kph at 180).
- km
SHIP4871
39 km W
15m alt.
3 hours ago
18
Light winds from the S
(19 kph at 180).
- km
SHIP2125
39 km W
-m alt.
2 hours ago
9°C
-
20
Moderate winds from the S
(20 kph at 170).
SHIP8547
39 km W
3m alt.
3 hours ago
9°C
18
Light winds from the S
(18 kph at 180).
SHIP1757
39 km W
-m alt.
2 hours ago
9°C
-
22
Moderate winds from the S
(22 kph at 180).

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.